1. Britannica E (2001) Encyclopaedia Britannica Online. Encyclopædia Britannica
2. Gerdemann SJ (2001) Titanium process technologies. Adv Mater Process 159(DOE/ARC-2002-007)
3. Jackson M, Dring K (2006) A review of advances in processing and metallurgy of titanium alloys. Mater Sci Technol 22(8):881–887
4. Titanium (2014)
http://www.chemguide.co.uk/inorganic/extraction/titanium.html
5. McQuillan AD, McQuillan MK (1956) Titanium, vol 4. Academic Press, New York